using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace Ips.Library.Basic
{
    public static class ResourceUtils
    {
        public static void LoadDllFromResource()
        {
            AppDomain.CurrentDomain.AssemblyResolve += (sender, args) => LoadFromResource(args.Name);
        }

        private static Assembly LoadFromResource(string argsName)
        {
            string dllName = new AssemblyName(argsName).Name + ".dll";

            var assem = Assembly.GetCallingAssembly();
            var resourceName = assem.GetManifestResourceNames().FirstOrDefault(rn => rn.EndsWith(dllName));
            if (resourceName == null) return null; // 没找到程序集。

            using (Stream stream = assem.GetManifestResourceStream(resourceName))
            {
                byte[] assemblyData = new byte[stream.Length];
                stream.Read(assemblyData, 0, assemblyData.Length);
                return Assembly.Load(assemblyData);
            }
        }
    }
}